Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
thieu lang » hieu lang, thieu khang, thieu quang
doanh luan » doanh nhan
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
nhanh bac » nhanh ha, nhanh va
cong tan » cong tac, cong san, cong thanh
nhan va » nhan tai, nhan dan, nhan tao

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu lang - doanh doanh luan dung cong tan ((nhan va) or (nhanh bac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu lang - doanh doanh luan dung cong tan ((nhan va) OR (nhanh bac)).
• Adding a wildcard symbol may retrieve word variants: toc thieu lang - doanh doanh luan dung cong tan ((nhan va) or (nhanh bac))*.