Perhaps you should try some spelling variations:
chieu manh » chieu xanh, hieu manh, chu manh
hang cong » dang cong, hang nong, bang cong
tang vat » tang van, dang vat, bang vat
tran van » luan van
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan 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 manh) or (ho manh)) - anh ((tang vat) or (tran van)) hang cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu manh) OR (ho manh)) - anh ((tang vat) OR (tran van)) hang cong tan toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu manh) or (ho manh)) - anh ((tang vat) or (tran van)) hang cong tan toan tap*.