Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
phung cong » nhung cong, phong cong, nhung chong
hoc thieu » toc thieu
tranh cua » doanh cua, manh cua
cua phung » cua phuong, cua nhung, cua chung
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 hien) or (((theo chieu) or (hoc thieu)))) xanh - canh tranh cua phung cong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (((theo chieu) OR (hoc thieu)))) xanh - canh tranh cua phung cong tan van ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (((theo chieu) or (hoc thieu)))) xanh - canh tranh cua phung cong tan van ban*.