Perhaps you should try some spelling variations:
thong huong » thong thuong, thong duong, thong thong
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
anh nang » ganh nang, anh bang, anh dang
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap
suat » xuat, luat, sua

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 xanh) or (chiet tach)) - anh nang suat thong huong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chiet tach)) - anh nang suat thong huong dan than cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chiet tach)) - anh nang suat thong huong dan than cao*.