Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
phung cong » phong cong, nhung chong, dung cong
hoc thieu » toc thieu, hoc hien
hanh tran » hanh trang, thanh tran, hanh tram
ho chieu » theo chieu, doi chieu, mot chieu
tran van » luan van
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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) or (hoc thieu)) sang - hanh tran van ((nhung cong) or (phung cong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sang - hanh tran van ((nhung cong) OR (phung cong)) dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) sang - hanh tran van ((nhung cong) or (phung cong)) dan toan cao*.