Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
doi chieu » doi chi, ho chieu, mot chieu
nhung don » nhung van, nhung bo
doc hieu » toc thieu, hoc thieu, hoc hien
ban than » ban thanh, van thanh, ban hang
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) OR (doc hieu)) sang - hanh trinh luat ((nhung don) or (thong cong)) ban than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doc hieu)) sang - hanh trinh luat ((nhung don) OR (thong cong)) ban than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (doc hieu)) sang - hanh trinh luat ((nhung don) or (thong cong)) ban than cao".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (doc hieu)) sang - hanh trinh luat ((nhung don) or (thong cong)) ban than cao*.