Perhaps you should try some spelling variations:
hnganh cong » hanh cong, nganh nong, nhanh cong
nganh cong » nhanh chong, thanh cong
nang duong » nang luong, nang dong, tang duong
duong manh » duong van
theo lieu » theo tieu, theo chieu, theo yeu
lieu tinh » trieu tinh, diep tinh, bien tinh
luan nang » luan van, van nang, luan san
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo lieu tinh - ((hnganh cong) or (nganh cong)) luan nang duong manh ((van ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo lieu tinh - ((hnganh cong) OR (nganh cong)) luan nang duong manh ((van ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo lieu tinh - ((hnganh cong) or (nganh cong)) luan nang duong manh ((van ban) or (toan cao))*.