Perhaps you should try some spelling variations:
chau triet » cau triet, cua triet, cau trieu
cham duc » pham duc, cham soc, phan duc
pham duy » pham duc
tan hanh » tan thanh, tang hanh, toan hanh
hanh lai » hanh lam, hanh tai, thanh lap
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
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 ty xang xa hoi. hieu ve ((cham duc) OR (pham duy)) tan hanh lai chau triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty xang xa hoi. hieu ve ((cham duc) OR (pham duy)) tan hanh lai chau triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ty xang xa hoi. hieu ve ((cham duc) OR (pham duy)) tan hanh lai chau triet*.