Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
manh trung » manh tung, thanh trung, sinh trung
hoc trieu » hoc thieu, hoc tieu, hoc dieu
manh hung » anh huong
cua thong » cua thuong, cua khong, cua tong
cong tan » cong tac, cong san, cong thanh
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: ((hoc trieu) or (hoc hien)) tinh - ((manh trung) or (manh hung)) cua thong cong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc trieu) OR (hoc hien)) tinh - ((manh trung) OR (manh hung)) cua thong cong tan van ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc trieu) or (hoc hien)) tinh - ((manh trung) or (manh hung)) cua thong cong tan van ban*.