Perhaps you should try some spelling variations:
phuong doan » phuong loan, phuong hoang, huong dan
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
thu phuong » thi phuong, thu huong, theo phuong
hang nang » chang nang, hang nong, hang hang
toan cao » toan tap
toan ban » van ban
cao thu » cao thi, cac thu, ca thu

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

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