Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh vai » danh sai, danh va, doanh van
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, va hanh
va cao » va cac, va dao, va bao
cua tu » cua tuc, cua su, cua cu
va co » vo co

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang xa hoi. hieu ((va cao) or (va co)) duc va danh vai ((cua triet) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu ((va cao) OR (va co)) duc va danh vai ((cua triet) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu ((va cao) or (va co)) duc va danh vai ((cua triet) or (cua tu))*.