Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu manh » hieu nganh, dieu hanh, hien hanh
hang nang » chang nang, hang nong, hang hang
hang cong » dang cong, hang nong, bang cong
cao hang » cao dang, cao tang, cao bang
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: hoc ((((chieu xanh) or (thien thanh))) or (hieu manh)) - hang nang cao hang cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu xanh) OR (thien thanh))) OR (hieu manh)) - hang nang cao hang cong tan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu xanh) or (thien thanh))) or (hieu manh)) - hang nang cao hang cong tan toan ban*.