Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
cong thanh » dong thanh, cong trinh, truong thanh
chau tinh » cuu tinh, ha tinh, cua tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
trinh qua » trinh quan, trinh cua, trinh quang
qua dung » quang dung, su dung, qua song
cong tan » cong tac, cong san, cong ty
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chau tinh) or (lieu tinh)) - hanh trinh qua dung ((cong thanh) or (cong tan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chau tinh) OR (lieu tinh)) - hanh trinh qua dung ((cong thanh) OR (cong tan)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chau tinh) or (lieu tinh)) - hanh trinh qua dung ((cong thanh) or (cong tan)) toan ban*.