Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » canh tranh, hanh chinh
toc chieu » toc thieu, doc hieu, hoc thieu
phan lapi » phan loai, phan tap, phan lan
trinh ca » trinh cau, trinh cua, trinh cac
cong tan » cong tac, cong san, cong thanh
phan lap » phan dau
ca cong » cua cong, cac cong, cao cong
tan van » tran van, tang van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu tinh - hanh trinh ca cong tan van ((phan lap) or (phan lapi))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu tinh - hanh trinh ca cong tan van ((phan lap) OR (phan lapi)).
• Adding a wildcard symbol may retrieve word variants: toc chieu tinh - hanh trinh ca cong tan van ((phan lap) or (phan lapi))*.