Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh mang » nhanh mang, hanh trang, nhanh lang
anh quang » anh xquang, anh quan, nhanh quang
chu sang » chu bang, chieu sang, chuc nang
thu sang » thu hang, thu san, thu bang
va thong » va thuong, va phuong, he thong
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 ((chu sang) OR (thu sang)) - ((hanh mang) or (anh quang)) va thong cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu sang) OR (thu sang)) - ((hanh mang) OR (anh quang)) va thong cong tan toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu sang) OR (thu sang)) - ((hanh mang) or (anh quang)) va thong cong tan toan cau*".