Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
nhanh than » nhanh thanh, nhanh thang, nhanh thai
thong cong » trong cong, tong cong, thong thong
cong cong » cong dong, trong cong, dung cong
theo yeu » theo tieu, thiet yeu, theo chu
than cua » nhan cua, thai cua, ban cua
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: ((theo chieu) or (theo yeu)) xanh - nhanh than cua ((thong cong) or (cong cong)) tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo yeu)) xanh - nhanh than cua ((thong cong) OR (cong cong)) tan van ban.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo yeu)) xanh - nhanh than cua ((thong cong) or (cong cong)) tan van ban*.