Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
nhanh lang » nhanh quang, nhanh thang, nhan dang
ton thien » hoan thien, toan thiet, doan thien
thien anh » thien danh, tien anh, thien thanh
hanh tang » hanh trang, anh tang, hanh mang
cong tac » cong ty
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ton thien anh - ((hanh tang) or (nhanh lang)) va nhung cong tac ((toan cao) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ton thien anh - ((hanh tang) OR (nhanh lang)) va nhung cong tac ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ton thien anh - ((hanh tang) or (nhanh lang)) va nhung cong tac ((toan cao) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ton thien anh - ((hanh tang) or (nhanh lang)) va nhung cong tac ((toan cao) OR (toan ban))*.