Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cau triet » cau trieu, su triet, cua triet
thanh va » thanh van, hanh va, thanh ha
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cao luc » bao luc, cao duc, cao suc
luc ban » duc ban, cuc ban, luc bat
va cao » va cac, va co, va dao
cua tu » cua tuc, cua su, cua cu

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 ky nang xa hoi. lieu va cao luc ban thanh va ((cua tu) or (cau triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. lieu va cao luc ban thanh va ((cua tu) OR (cau triet)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. lieu va cao luc ban thanh va ((cua tu) or (cau triet))*.