Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
toc chieu » toc thieu, doc hieu, hoc thieu
dung cong » dung trong
cach ban » cac ban, cach bao, cach van
cach ben » cach bien, bach benh, mach benh
cua dung » cua dang, cua dong, qua dung
cong sat » cong suat, cong san, cong hat
sat phan » sat nhan, vat phan, xuat phan
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu tinh - ((cach ban) or (cach ben)) cua dung cong sat phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu tinh - ((cach ban) OR (cach ben)) cua dung cong sat phan lap.
• Adding a wildcard symbol may retrieve word variants: toc chieu tinh - ((cach ban) or (cach ben)) cua dung cong sat phan lap*.