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
tang vatn » tang van, dang van, tan van
tang vat » tang van, dang vat, bang vat
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap, toan tai
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 - anh ((tang vat) or (tang vatn)) thong cong dan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - anh ((tang vat) OR (tang vatn)) thong cong dan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - anh ((tang vat) or (tang vatn)) thong cong dan ((toan cau) or (toan ban))*.