Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thien danh » thien anh, thien dang, thien thanh
suat trong » suat thong, luat trong, thuat trong
ganh nang » anh nang, nganh nong, van nang
tien anh » tieng anh, tien manh, dien anh
cong tac » cong ty
tac han » tac nhan, tac ha, tac can
han tap » han tai, toan tap, nhan tai

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (((tien anh) OR (thien danh)))) - ganh nang suat trong cong tac han tap~.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (((tien anh) or (thien danh)))) - ganh nang suat trong cong tac han tap*.