Perhaps you should try some spelling variations:
thieu manh » hieu manh, trieu minh, chieu xanh
tien manh » tien anh, tien thanh, tieng anh
thong cua » thong quan, thong tu, huong cua
thong dan » thong van, tuong dan, thong den
tang cua » mang cua, hang cua, tang luan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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