Perhaps you should try some spelling variations:
luan chat » luan chi, van chat, luan phan
thu sach » thuat sach, thuoc sach, thu hoach
lam chat » cao chat, ly chat, van chat
tu sach » su sach, te sach, tu cach
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
va bac » van bac, va cac, va bai
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (thu sach)) ky nang xa hoi. lieu va bac xuc va hanh ((lam chat) OR (luan chat)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky nang xa hoi. lieu va bac xuc va hanh ((lam chat) OR (luan chat)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (thu sach)) ky nang xa hoi. lieu va bac xuc va hanh ((lam chat) OR (luan chat)) triet".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky nang xa hoi. lieu va bac xuc va hanh ((lam chat) OR (luan chat)) triet*.