Perhaps you should try some spelling variations:
thi chieu » thi chien, thi hieu, theo chieu
ho chieu » theo chieu, hoc thieu, doi chieu
luan ung » luan hung, luon ung, luan chung
ung cong » dung cong, luong cong, duong cong
cong van » cong vang, cong san, song van
phan dau » phan tu
hang dau » hang va, hang tai

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 (thi chieu)) xanh - sach dung luan ung cong van ((phan dau) or (hang dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (thi chieu)) xanh - sach dung luan ung cong van ((phan dau) OR (hang dau)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (thi chieu)) xanh - sach dung luan ung cong van ((phan dau) or (hang dau))*.