Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
mot chieu » doi chieu, ho chieu
trinh kho » trinh khoa, trinh khoi, trinh cho
kho tang » cao tang
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan tap » toan ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (doi chi)) xanh - hanh trinh kho tang ((cong dan) or (cong san)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doi chi)) xanh - hanh trinh kho tang ((cong dan) OR (cong san)) toan tap.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doi chi)) xanh - hanh trinh kho tang ((cong dan) or (cong san)) toan tap*.