Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thieu hang » thieu khang, thieu quang, thi hang
cua triet » cua viet, su triet, va triet
danh vai » danh sai, danh va, doanh van
hieu ve » hieu va, hieu van
va danh » va dinh, va dan, va hanh
vai cua » dai cua, hai cua, lai cua
va hoi » xa hoi, va hoc, va hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach thieu hang va hoi. hieu ve ((am thuc) or (nam thu)) va danh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach thieu hang va hoi. hieu ve ((am thuc) OR (nam thu)) va danh vai cua triet.
• Adding a wildcard symbol may retrieve word variants: thuat sach thieu hang va hoi. hieu ve ((am thuc) or (nam thu)) va danh vai cua triet*.