Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
trong tac » trong cac, trong tan, trong tuc
tuong tac » cong tac, luong tai, tuong lai
tbang cau » toan cau, hang cau, thong cau
theo chu » theo chieu, cho chu, chao chu
chu manh » ho manh, chu han, chu van
cong san » cong tac
bang cau » hang cau, bang cac, nang cao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu manh - hanh ((trong tac) or (tuong tac)) thong cong san ((tbang cau) or (bang cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu manh - hanh ((trong tac) OR (tuong tac)) thong cong san ((tbang cau) OR (bang cau)).
• Adding a wildcard symbol may retrieve word variants: theo chu manh - hanh ((trong tac) or (tuong tac)) thong cong san ((tbang cau) or (bang cau))*.