Perhaps you should try some spelling variations:
thanh tung » thanh cong
thanh ban » thanh san, thanh van, thanh bac
doc hieu » toc thieu, hoc thieu, hoc hien
ho chieu » theo chieu, hoc thieu, doi chieu
he trong » he thong, he trung, le trong
cong dan » cong san, cong tan, huong dan
than ban » toan ban, than man, nhuan ban
tung he » dung he, tung ho, tang he

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (ho chieu)) xanh - thanh tung he trong cong dan ((than ban) or (thanh ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (ho chieu)) xanh - thanh tung he trong cong dan ((than ban) OR (thanh ban)).
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (ho chieu)) xanh - thanh tung he trong cong dan ((than ban) or (thanh ban))*.