Perhaps you should try some spelling variations:
tong thong » thong thong, dong thong, cong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
hoc hieu » hoc thieu, hoc hien, doc hieu
tang cua » mang cua, hang cua, tang luan
cua tong » cua cong, cua dong, cua nong
ban than » ban thanh, van thanh, ban hang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - hanh tang cua tong thong ((xuan toan) or (ban than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh tang cua tong thong ((xuan toan) OR (ban than)) cao*.