Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hieu lang » chieu sang, hieu quang, nhieu tang
dung cong » dung trong
hoa nhap » hoi nhap, hoa phan, hoa chat
nhap lua » phap lua, phap luat, phap luan
lua dung » qua dung, luan hung, qua duong
phan lap » phan dau
cong tu » cong ty, cong cu, dong tu
tu phan » thu phan, tu nhan, tu phat

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((hieu lang) or (chieu tinh)) - hoa nhap lua dung cong tu phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu lang) OR (chieu tinh)) - hoa nhap lua dung cong tu phan lap.
• Adding a wildcard symbol may retrieve word variants: doi ((hieu lang) or (chieu tinh)) - hoa nhap lua dung cong tu phan lap*.