Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach thi » sach tai, sach thieu, sach tham
sach thu » sach thue, sach thieu, sach tham
cac thuc » cach thuc, cac thu, can thuc
thuc dai » thuc dan, thuc day, thuc tai
dai danh » dai dang, dao danh, day danh
danh vai » danh sai, danh va, doanh van
nang xa » nang x, lang xa, nang ma
qua cac » cua cac
vai cua » dai cua, hai cua, lai cua

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 thi) OR (sach thu)) nang xa hoi. hieu qua cac thuc dai danh vai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach thi) OR (sach thu)) nang xa hoi. hieu qua cac thuc dai danh vai cua triet".
• Adding a wildcard symbol may retrieve word variants: te ((sach thi) OR (sach thu)) nang xa hoi. hieu qua cac thuc dai danh vai cua triet*.