Perhaps you should try some spelling variations:
nhung duong » nhung dung, nhung huong, nhung tuong
chieu sang » chieu sach, chieu xanh, hieu lang
trinh viet » ninh viet, trinh vat
duong manh » duong van
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
trinh va » trinh van, trinh vat, trinh ve
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: ho chieu sang - hanh ((trinh va) or (trinh viet)) nhung duong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh ((trinh va) OR (trinh viet)) nhung duong manh toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh ((trinh va) or (trinh viet)) nhung duong manh toan cao*.