Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
thu sach » tu sach, thuat sach, thuoc sach
sach tai » sach bai, sach tham, sach dao
tai nang » thi nang, tai lang, dai nang
danh vai » danh sai, danh va, doanh van
va triet » va thiet, va trien, ve triet
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, va hanh
va cam » va cham, va cac, va cao
cam tu » cam thu, nam tu, dam tu

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

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