Perhaps you should try some spelling variations:
chieu tinh » lieu tinh, chau tinh, kieu tinh
nhanh mang » nhanh lang, hanh mang, nhanh thang
tong cong » trong cong, cong cong, dung cong
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho ((chieu tinh) or (trieu tinh)) - ((nhanh mang) OR (nhanh quang)) cua tong cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chieu tinh) OR (trieu tinh)) - ((nhanh mang) OR (nhanh quang)) cua tong cong tan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chieu tinh) or (trieu tinh)) - ((nhanh mang) OR (nhanh quang)) cua tong cong tan toan tap".
• Adding a wildcard symbol may retrieve word variants: cho ((chieu tinh) or (trieu tinh)) - ((nhanh mang) OR (nhanh quang)) cua tong cong tan toan tap*.