Perhaps you should try some spelling variations:
thanh trung » thanh tung
quan trong » gian trong
qua trinh » qua kinh
dan thanh » dang thanh, danh thanh, ban thanh
thanh cac » hanh cac, thanh bac, thanh ca
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (doi chi)) xanh - thanh trung ((quan trong) or (qua trinh)) cong dan thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chi)) xanh - thanh trung ((quan trong) OR (qua trinh)) cong dan thanh cac.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chi)) xanh - thanh trung ((quan trong) or (qua trinh)) cong dan thanh cac*.