Perhaps you should try some spelling variations:
tran phuong » tran phong, trinh phuong, doan phuong
thanh tung » thanh cong
tuan phung » tuan hung, tuan phong, luan phuong
hieu lang » chieu sang, hieu quang, nhieu tang
cong nang » cong ngang, cong lang, cong nong
nang hang » nang sang, hang hang, cang thang
hoc hieu » hoc thieu, hoc hien, doc hieu
hang dau » hang va, hang tai

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 lang - thanh tung ((tuan phung) or (tran phuong)) cong nang hang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu lang - thanh tung ((tuan phung) OR (tran phuong)) cong nang hang dau*.