Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
thong cong » trong cong, tong cong, thong thong
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
hanh tang » hanh trang, anh tang, hanh mang
cua thong » cua thuong, cua khong, cua tong
cong tac » cong ty
tac phat » tac pham, tam phat, tan phat
phat lap » phan lap, phap lap, phat lam

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo hieu lang - ((hanh tang) or (nhanh thang)) cua thong cong tac phat lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - ((hanh tang) OR (nhanh thang)) cua thong cong tac phat lap.
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - ((hanh tang) or (nhanh thang)) cua thong cong tac phat lap*.