Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
bang vat » bang va, dang vat, cang vat
tran van » luan van
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cap » khan cap, thanh lap, thanh cac

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 xanh - anh ((bang vat) or (tran van)) nhung cong tac than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - anh ((bang vat) OR (tran van)) nhung cong tac than cap.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - anh ((bang vat) or (tran van)) nhung cong tac than cap*.