Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh huong, thanh cuong
thanh tung » thanh cong
lieu tinh » trieu tinh, diep tinh, bien tinh
dang cong » dung cong
doi lieu » duoc lieu, doi chieu, du lieu
hoc dang » hoc dan, hoc dung, hoc bang
cong tac » cong ty
toan tap » toan ban
toan cao » 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: doi lieu tinh - ((thanh tuong) or (thanh tung)) hoc dang cong tac ((toan tap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi lieu tinh - ((thanh tuong) OR (thanh tung)) hoc dang cong tac ((toan tap) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: doi lieu tinh - ((thanh tuong) or (thanh tung)) hoc dang cong tac ((toan tap) or (toan cao))*.