Perhaps you should try some spelling variations:
tinh trang » minh trang, tinh quang, tinh toan
phuong dan » phuong danh, phuong doan, huong dan
ho chieu » theo chieu, hoc thieu, doi chieu
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man
doi chi » doi khi
va doan » va doanh, van doan, va dan

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) or (doi chi)) sach - ((tinh trang) or (canh tranh)) va doan phuong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chi)) sach - ((tinh trang) OR (canh tranh)) va doan phuong dan than ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chi)) sach - ((tinh trang) or (canh tranh)) va doan phuong dan than ban*.