Perhaps you should try some spelling variations:
"nhung thoi quyet van. thi nguyen lan lap" » "nhung thi quyet van. thi nguyen lan lap", "nhung loi quyet van. thi nguyen lan lap", "nhung tri quyet van. thi nguyen lan lap", "nhung toi quyet van. thi nguyen lan lap", "nhung theo quyet van. thi nguyen lan lap", "nhung thoi quen van. thi nguyen lan lap", "nhung thoi quyet van. thai nguyen lan lap", "nhung thoi quyet van. tai nguyen lan lap", "nhung thoi quyet van. thi nguyet lan lap", "nhung thoi quyet van. thi nguyen van lap", "nhung thoi quyet van. thi nguyen can lap", "nhung thoi quyet van. thi nguyen tan lap", "nhung thoi quyet van. thi nguyen luan lap", "nhung thoi quyet van. thi nguyen dan lap", "nhung thoi quyet van. thi nguyen lan gap"
"phung thi luan van. co quan cua tap" » "phung thi lan van. co quan cua tap", "phung thi xuan van. co quan cua tap", "phung thi loan van. co quan cua tap", "phung thi luan van. co quan luan tap", "phung thi luan van. co ban cua tap", "phung thi luan van. co gian cua tap", "phung thi luan van. co quan cua tam", "phung thi luan van. co quan cua phap"

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 thoi quyet van. thi nguyen lan lap") or ("phung thi luan van. co quan cua tap"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("nhung thoi quyet van. thi nguyen lan lap") OR ("phung thi luan van. co quan cua tap")).
• Removing quotes may allow a broader search: (( nhung thoi quyet van. thi nguyen lan lap ) or ( phung thi luan van. co quan cua tap )).
• Adding a wildcard symbol may retrieve word variants: (("nhung thoi quyet van. thi nguyen lan lap") or ("phung thi luan van. co quan cua tap"))*.