Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
van phuong » van phong, va phuong, van chuong
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
canh tran » canh tranh, hanh trang, banh trang
tran van » luan van
cong san » cong tac
san van » tan van, luan van, dang 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 chieu) or (hoc thieu)) xanh - canh tran van phuong cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc thieu)) xanh - canh tran van phuong cong san van ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc thieu)) xanh - canh tran van phuong cong san van ban*.