Perhaps you should try some spelling variations:
thanh tinh » thanh binh, nhanh tinh, than kinh
hoc thieu » toc thieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
dung cong » dung trong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan cao » toan ban, toan tap
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (doi chieu)) sach - ((nhan sinh) or (thanh tinh)) va dung cong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chieu)) sach - ((nhan sinh) OR (thanh tinh)) va dung cong manh toan cao.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi chieu)) sach - ((nhan sinh) or (thanh tinh)) va dung cong manh toan cao*.