Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
cap hoang » cam hoang, cau hoang, van hoang
may nong » may cong, may nang, mo nong
cong tan » cong tac, cong san, cong thanh
khan cap » than cap, khoan cam, phan cac
khan ap » han ap, khan dam

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 - thanh tung ((may nong) or (cap hoang)) cong tan ((khan cap) OR (khan ap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tung ((may nong) OR (cap hoang)) cong tan ((khan cap) OR (khan ap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh tung ((may nong) or (cap hoang)) cong tan ((khan cap) OR (khan ap))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tung ((may nong) or (cap hoang)) cong tan ((khan cap) OR (khan ap))*.