Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
trinh van » trinh han, trinh quan, trinh toan
tranh va » tranh van, trang va, trinh va
cong tac » cong ty
duong va » duong van, dung va, luong va
toan cao » toan ban, toan tap

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