Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhanh dong
theo chau » theo chu, theo chieu, theo phap
chau tinh » cuu tinh, ha tinh, cua tinh
nhan dang » nhan dan, phan dang, tran dang
tong cong » cong cong, dung cong, dang cong
dan toan » van toan, dan than, manh toan
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 chau tinh - ((nhanh lang) OR (nhan dang)) cua ((tong cong) or (trong cong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chau tinh - ((nhanh lang) OR (nhan dang)) cua ((tong cong) OR (trong cong)) dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chau tinh - ((nhanh lang) OR (nhan dang)) cua ((tong cong) or (trong cong)) dan toan cao".
• Adding a wildcard symbol may retrieve word variants: theo chau tinh - ((nhanh lang) OR (nhan dang)) cua ((tong cong) or (trong cong)) dan toan cao*.