Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh toan
thieu xanh » chieu xanh, thien anh, thien danh
thanh hang » thanh hoang, tranh hang, thanh hung
hieu manh » chieu xanh, hieu nganh, dieu hanh
lang cong » dang cong, bang cong, hang cong
cong dan » cong san, cong tan, huong dan
va lang » va nang, hoa lang
dan can » dan chan, dan canh, dan ca
can cau » van cau, ban cau, ca 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 xanh) OR (hieu manh)) - ((thanh hang) or (thanh thang)) va lang cong dan can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - ((thanh hang) OR (thanh thang)) va lang cong dan can cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - ((thanh hang) or (thanh thang)) va lang cong dan can cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - ((thanh hang) or (thanh thang)) va lang cong dan can cau*.