Perhaps you should try some spelling variations:
phuong thao » phuong phap, phuong thuc
hang phuong » hoang phuong, hang thuong, bang phuong
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
anh truong » manh truong, anh thuong, anh trong
truong cao » truong dai
thao toan » thuat toan, thanh toan, tap toan
cao hang » cao dang, cao tang, cao bang
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sang) or (chieu xanh)) - anh truong cao hang phuong thao toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chieu xanh)) - anh truong cao hang phuong thao toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (chieu xanh)) - anh truong cao hang phuong thao toan ban*.