Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
tong cong » trong cong, cong cong, dung cong
thang va » hang va, trang va, thong va
cong dan » cong san, cong tan, huong dan
toan cao » toan tap
toan ban » van ban
va tong » va thong, va tuong, va trong

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 tinh - thanh thang va tong cong dan ((toan cao) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu tinh - thanh thang va tong cong dan ((toan cao) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - thanh thang va tong cong dan ((toan cao) OR (toan ban))*.