Perhaps you should try some spelling variations:
hanh thang » nhanh thang, thanh thang, hanh trang
cong thanh » dong thanh, cong trinh, cong tan
hieu lang » chieu sang, hieu quang, nhieu tang
cong manh » cong danh, duong manh, hoang manh
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 manh) OR (cong thanh)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - hanh thang he thong ((cong manh) OR (cong thanh)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh thang he thong ((cong manh) OR (cong thanh)) toan cao*.