Perhaps you should try some spelling variations:
thanh tung » thanh cong
hoc thieu » hoc hien
thanh ban » thanh san, thanh van, thanh bac
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: ((hoc thieu) or (toc thieu)) 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: ((hoc thieu) OR (toc thieu)) xanh - thanh tung he trong cong dan ((than ban) OR (thanh ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (toc thieu)) xanh - thanh tung he trong cong dan ((than ban) OR (thanh ban))".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) xanh - thanh tung he trong cong dan ((than ban) OR (thanh ban))*.