Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chiet tach » chieu sach
hieu cach » hieu cac, chieu sach, hieu ca
hanh manh » lanh manh, hoang manh, thanh minh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
van thanh » ban thanh, van tuan
thanh tap » thanh lap, thanh tai, thanh tay
cong van » cong vang, cong san, song van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((hieu cach) or (chiet tach)) - ((hanh manh) or (hanh mang)) cua nhung cong van thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu cach) OR (chiet tach)) - ((hanh manh) OR (hanh mang)) cua nhung cong van thanh tap.
• Adding a wildcard symbol may retrieve word variants: toc ((hieu cach) or (chiet tach)) - ((hanh manh) or (hanh mang)) cua nhung cong van thanh tap*.