Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
trang va » tran van, hang va
cong tap » cuong tap, cong tac, cong tan
toan tai » doanh tai, toan ban, toan cao
toan tap » toan ban
tang va » tang van, thang va, tang vat

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 - anh ((tang va) or (trang va)) thong cong tap ((toan tai) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - anh ((tang va) OR (trang va)) thong cong tap ((toan tai) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - anh ((tang va) or (trang va)) thong cong tap ((toan tai) or (toan tap))*.