Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
thoan lang » hoa lang, hoang lang, khoai lang
thong mang » thong quang, thong minh, thong van
hoc thieu » toc thieu, hoc hien
thon lang » nhon lang, tho lang, thong nang
cong sang » cong san, cong lang, cong vang
sang than » cang thang, dang thanh, sang tao
than cau » toan cau, phan cau, than cap

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 - tran quang ((thoan lang) or (((thon lang) OR (thong mang)))) cong sang than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - tran quang ((thoan lang) OR (((thon lang) OR (thong mang)))) cong sang than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu manh - tran quang ((thoan lang) or (((thon lang) OR (thong mang)))) cong sang than cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - tran quang ((thoan lang) or (((thon lang) OR (thong mang)))) cong sang than cau*.