Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
trinh van » trinh han, trinh quan, trinh toan
tranh va » tranh van, trang va, trinh va
cong tac » cong ty
toan ban » van ban

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 xanh - hanh ((tranh va) or (trinh van)) nhung cong tac ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh ((tranh va) OR (trinh van)) nhung cong tac ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh ((tranh va) or (trinh van)) nhung cong tac ((toan tap) or (toan ban))*.