Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
tang luan » dung luan
dong cong » duong cong, dung cong, dang cong
tang cua » mang cua, hang cua, thong cua
tren cau » tren ca, tren cay, tren tau
ho hieu » ho chieu, hoi hieu, nho hieu
ty tren » tu tren, te tren, ty truyen

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 ((tang cua) or (tang luan)) dong cong ty tren cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh ((tang cua) OR (tang luan)) dong cong ty tren cau.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh ((tang cua) or (tang luan)) dong cong ty tren cau*.