Perhaps you should try some spelling variations:
thanh trung » thanh tung
thanh trong » tranh trong, hanh trong, nhanh trong
trong chuan » thong chuan, trong chan, trong thuan
chuan toan » chuan doan, chuan trang, thuat toan
theo lieu » theo tieu, theo chieu, theo yeu
lieu tinh » trieu tinh, diep tinh, bien tinh
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: theo lieu tinh - ((thanh trong) or (thanh trung)) ung dung trong chuan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo lieu tinh - ((thanh trong) OR (thanh trung)) ung dung trong chuan toan ban.
• Adding a wildcard symbol may retrieve word variants: theo lieu tinh - ((thanh trong) or (thanh trung)) ung dung trong chuan toan ban*.