Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
lieu tinh » trieu tinh, diep tinh, bien tinh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
chai nang » chang nang, phap nang, cam nang
cong tac » cong ty
chay nan » chan nan, chae ran, cham nen

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (lieu tinh)) - hanh trinh cua nhung cong tac ((chay nan) or (chai nang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (lieu tinh)) - hanh trinh cua nhung cong tac ((chay nan) OR (chai nang)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (lieu tinh)) - hanh trinh cua nhung cong tac ((chay nan) or (chai nang))*.