Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
su triet » su viet, su tien, ve triet
tu sach » thu sach, su sach, tu cach
te sach » toc sach
tai san » tai ngan
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
va hanh » van hanh, va thanh, va danh
san xa » san va, dan xa, san ha
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa

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 (te sach)) tai san xa hoi. hieu va cam tuc va hanh lai su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (te sach)) tai san xa hoi. hieu va cam tuc va hanh lai su triet".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (te sach)) tai san xa hoi. hieu va cam tuc va hanh lai su triet*.