Perhaps you should try some spelling variations:
chau triet » cau triet, cua triet, cau trieu
cham duc » cham soc, pham duy, phan duc
tan hanh » tan thanh, tang hanh, toan hanh
hanh lai » hanh lam, hanh tai, thanh lap
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
ty hang » ly hang, ty xang, thi hang
hang xa » hoang xa, hang va, hang ca
hieu ve » hieu va, hieu van

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 (su sach)) ty hang xa hoi. hieu ve ((cham duc) or (pham duc)) tan hanh lai chau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ty hang xa hoi. hieu ve ((cham duc) OR (pham duc)) tan hanh lai chau triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (su sach)) ty hang xa hoi. hieu ve ((cham duc) or (pham duc)) tan hanh lai chau triet".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (su sach)) ty hang xa hoi. hieu ve ((cham duc) or (pham duc)) tan hanh lai chau triet*.