Perhaps you should try some spelling variations:
hanh thang » nhanh thang, thanh thang, hanh trang
thong cong » trong cong, tong cong, phong chong
hieu lang » chieu sang, hieu quang, nhieu tang
manh toan » thanh toan, anh tuan, tinh toan
thang he » tang he, thang nghe, thang nho
toan cao » toan ban, toan tap
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh thang he ((thong cong) OR (thong thong)) manh toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - hanh thang he ((thong cong) OR (thong thong)) manh toan cao".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh thang he ((thong cong) OR (thong thong)) manh toan cao*.