Perhaps you should try some spelling variations:
"nhung bai quyet van. thoi nguyen cua lap" » "nhung bai quyet van. thai nguyen cua lap", "nhung bai quyet van. thi nguyen cua lap", "nhung bai quyet van. tuoi nguyen cua lap", "nhung bai quyet van. thoi nguyen cuu lap", "nhung bai quyet van. thoi nguyen xuan lap", "nhung bai quyet van. thoi nguyen tuan lap", "nhung bi quyet van. thoi nguyen cua lap", "nhung ban quyet van. thoi nguyen cua lap", "nhung giai quyet van. thoi nguyen cua lap", "nhung bai quyet van. thoi nguyen chua lap", "nhung bai quyet van. thoi nguyen cua tap", "nhung bai quyet van. thoi nguyen cua lao"
"phung thi loan van. thoi quen cua lam" » "phung thi lan van. thoi quen cua lam", "phung thi hoan van. thoi quen cua lam", "phung thi lien van. thoi quen cua lam", "phung thi luan van. thoi quen cua lam", "phung thi doan van. thoi quen cua lam", "phung thi toan van. thoi quen cua lam", "phung thi loan van. thoi quyen cua lam", "phung thi loan van. thoi quan cua lam", "phung thi loan van. thoi duyen cua lam", "phung thi loan van. thoi quen cua tam", "phung thi loan van. thoi quen cua nam", "phung thi loan van. thoi quen cua am"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("nhung bai quyet van. thoi nguyen cua lap") or ("phung thi loan van. thoi quen cua lam"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("nhung bai quyet van. thoi nguyen cua lap") OR ("phung thi loan van. thoi quen cua lam")).
• Removing quotes may allow a broader search: (( nhung bai quyet van. thoi nguyen cua lap ) or ( phung thi loan van. thoi quen cua lam )).
• Adding a wildcard symbol may retrieve word variants: (("nhung bai quyet van. thoi nguyen cua lap") or ("phung thi loan van. thoi quen cua lam"))*.