Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
va thanh » gia thanh, ban thanh, va tinh
thu sach » thuat sach, thuoc sach, thu hoach
tu sach » su sach, te sach, tu cach
thi van » thi lan, thi hanh, thi nang
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
va tuc » va thuc, va tu, va tac
tuc va » thuc va, truc va, tuc xa
van va » van vat, van van, ban 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)) ty nang xa hoi. thi van va tuc va thanh lap ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ty nang xa hoi. thi van va tuc va thanh lap ((cua triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ty nang xa hoi. thi van va tuc va thanh lap ((cua triet) or (cua viet))*.