Perhaps you should try some spelling variations:
khang cong » hang cong, thanh cong, dang cong
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hanh tran » hanh trang, thanh tran, hanh tram
van khang » van khanh, van quang, van hanh
van thanh » ban thanh, van tuan
tran 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 thieu xanh - hanh tran van khang cong ((tinh toan) or (van thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh tran van khang cong ((tinh toan) OR (van thanh)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh tran van khang cong ((tinh toan) or (van thanh)) cau*.