Perhaps you should try some spelling variations:
nhanh mang » nhanh lang, hanh mang, nhanh quang
cong thanh » dong thanh, cong trinh, truong thanh
chu tinh » chau tinh, chua tinh, cuu tinh
cua tinh » cua sinh, va tinh, ha tinh
va duong » van duong, va tuong, va huong
cong tan » cong tac, cong san, cong ty
toan cao » toan ban, toan tap
mang va » mang vua, hang va, bang va

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

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