Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hanh trinh » canh tranh, hanh chinh
nhung cong » thong cong, hang cong, nhung don
hoc thien » hoc hien, hoc thieu, hoc thiet
dung cong » dung trong
trinh va » trinh van, trinh vat, trinh ve
ban than » ban thanh, van thanh, ban hang
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien hach - hanh trinh va ((nhung cong) or (dung cong)) ban than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - hanh trinh va ((nhung cong) OR (dung cong)) ban than cap.
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - hanh trinh va ((nhung cong) or (dung cong)) ban than cap*.