Perhaps you should try some spelling variations:
tieng phap » tieng han, tieng nhat, bien phap
thong cong » trong cong, tong cong, thong thong
tieu sang » chieu sang, tieu dung, tiem nang
tung phap » tung pham, trung phan, trong phap
chay chau » chuan chau, chao chu, ha chau
cong san » cong tac
san chay » san pham, van chat, dan chan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sang - thanh ((tung phap) or (tieng phap)) thong cong san chay chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - thanh ((tung phap) OR (tieng phap)) thong cong san chay chau.
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - thanh ((tung phap) or (tieng phap)) thong cong san chay chau*.