Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
thanh tung » thanh cong
cong huong » cong thuong, cong luong, cong hung
hoc thieu » toc thieu, hoc hien
anh tang » anh bang, anh dang, anh nang
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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 manh - ((((thanh trung) OR (thanh tung))) or (anh tang)) cua cong huong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - ((((thanh trung) OR (thanh tung))) OR (anh tang)) cua cong huong dan chan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu manh - ((((thanh trung) OR (thanh tung))) or (anh tang)) cua cong huong dan chan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - ((((thanh trung) OR (thanh tung))) or (anh tang)) cua cong huong dan chan cau*.