Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
dang quang » dung quang, nang quan, dang hung
hoc thieu » toc thieu, hoc hien
van quang » van quan, tran quang, van tuan
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan ban » van ban

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 xanh - hanh ((van quang) or (dang quang)) dung ((cong dan) OR (cong tan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((van quang) OR (dang quang)) dung ((cong dan) OR (cong tan)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh ((van quang) or (dang quang)) dung ((cong dan) OR (cong tan)) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((van quang) or (dang quang)) dung ((cong dan) OR (cong tan)) toan ban*.