Perhaps you should try some spelling variations:
truong phuong » truong chung, truong trung, dung phuong
tang truong » tang cuong
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh tang » tranh hang, tranh trong, trinh trang
phuong dan » phuong danh, phuong doan, huong dan
ho chieu » theo chieu, hoc thieu, doi chieu
dan chan » dan gian, dan ca, van chat
chan ban » can ban, chat ban, chan nan
doi chi » doi khi

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