Perhaps you should try some spelling variations:
thanh tung » thanh cong
hoc dieu » hoc thieu, hoc hien
va trong » va truong, va thong, va tuong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
co lieu » cot lieu, co hieu, so lieu
tung va » trung va, tuong va, dung va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc dieu) or (co lieu)) tinh - thanh tung va trong cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (co lieu)) tinh - thanh tung va trong cong dan toan cao*.