Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh trinh » canh tranh, hanh trinh, canh tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
van hung » manh hung, van duong, van dong
van dung » van dong, xay dung, tin dung
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((lieu tinh) or (chieu sach)) - canh trinh ((van hung) OR (van dung)) huong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((lieu tinh) OR (chieu sach)) - canh trinh ((van hung) OR (van dung)) huong dan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((lieu tinh) or (chieu sach)) - canh trinh ((van hung) OR (van dung)) huong dan phan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((lieu tinh) or (chieu sach)) - canh trinh ((van hung) OR (van dung)) huong dan phan cau*.