Perhaps you should try some spelling variations:
nhanh thanh » nhanh tinh
phan thanh » pham thanh, ban thanh, van thanh
nhung cong » dung cong, thong cong, hang cong
theo tien » thuc tien, theo tcvn, tien tien
ha nhung » hoa nhung, hay nhung, pha nhung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tien) OR (theo tieu)) hanh - ((nhanh thanh) or (phan thanh)) ha nhung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tien) OR (theo tieu)) hanh - ((nhanh thanh) OR (phan thanh)) ha nhung cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo tien) OR (theo tieu)) hanh - ((nhanh thanh) or (phan thanh)) ha nhung cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo tien) OR (theo tieu)) hanh - ((nhanh thanh) or (phan thanh)) ha nhung cong tan toan cau*.