Perhaps you should try some spelling variations:
thanh tung » thanh cong
chi danh » chi dan, chi dinh, chi hanh
tung qua » dung qua, tuong quan, trung quan
qua dung » quang dung, su dung, qua song
toan tai » doanh tai, toan ban, toan cao
toan tap » toan ban
chi anh » chi hanh, thi anh, chi nhanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi danh) or (chi anh)) - thanh tung qua dung trong cac ((toan tai) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi danh) OR (chi anh)) - thanh tung qua dung trong cac ((toan tai) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: doi ((chi danh) or (chi anh)) - thanh tung qua dung trong cac ((toan tai) or (toan tap))*.