Perhaps you should try some spelling variations:
thuoc khong » thuoc khang, thuc khong, thuoc trong
thien hieu » thien nhien, thien chien, thien hue
hanh doanh » hang doanh, chinh doanh, doanh doanh
hieu lang » chieu sang, hieu quang, nhieu tang
cua khong » hua khong, cua phuong, cua thuong
nang sang » nang song, nong san
sang han » sang than, nang han, sang ban
han tap » han tai, toan tap, nhan tai

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thien hieu lang - hanh doanh ((cua khong) OR (thuoc khong)) nang sang han tap~.
• Adding a wildcard symbol may retrieve word variants: thien hieu lang - hanh doanh ((cua khong) or (thuoc khong)) nang sang han tap*.