Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
tuong dan » huong dan, tung dan, xuong dan
trung va » truong va, trang va, trung ha
dan toan » van toan, dan than, manh toan
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 xanh - thanh ((trung va) or (truong dai)) nhung tuong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh ((trung va) OR (truong dai)) nhung tuong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh ((trung va) or (truong dai)) nhung tuong dan toan cao*.