Perhaps you should try some spelling variations:
nhung thuong » nhung phuong, nhung huong, nhung tuong
thuong tinh » khuong tinh, thuong binh, truong tinh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hieu quang » thieu quang, hieu quan, hieu qua
tranh cua » doanh cua, manh cua
cua nhung » va nhung
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: doi ((chieu tinh) or (hieu quang)) - canh tranh cua nhung thuong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tinh) OR (hieu quang)) - canh tranh cua nhung thuong tinh toan cao*.