Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
va thanh » gia thanh, ban thanh, le thanh
thu sach » thuat sach, thuoc sach, thu hoach
sieu van » hieu van, su van, lieu va
lap cua » lai cua, tap cua, lam cua
va tinh » may tinh
tu sach » su sach, te sach, tu cach
van hai » van ha, van chat, van hanh
nang xa » nang x, lang xa, nang ma
hai xuc » hai cuc, hai xu, chat xuc

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. sieu van hai xuc ((va thanh) or (va tinh)) lap cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky nang xa hoi. sieu van hai xuc ((va thanh) OR (va tinh)) lap cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) ky nang xa hoi. sieu van hai xuc ((va thanh) or (va tinh)) lap cua viet".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (thu sach)) ky nang xa hoi. sieu van hai xuc ((va thanh) or (va tinh)) lap cua viet*.