Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
khang cong » hang cong, thanh cong, dang cong
canh tran » canh tranh, hanh trang, banh trang
van khang » van khanh, van thanh, van quang
tran van » luan van
cong tac » cong ty
tac phat » tac pham, tam phat, tan phat
phat cac » phan cac, pha cac, phap cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien nhanh - canh tran van khang cong tac phat cac~.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - canh tran van khang cong tac phat cac*.