Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
lang van » dang van, tang van, hoang van
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
hieu va » lieu va, hieu qua
tu sach » thu sach, su sach, tu cach
nang xa » nang x, lang xa, nang ma
te sach » toc sach
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
di su » doi su, ki su, da su

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)) ky ((nang xa) or (lang van)) hoi. hieu va cam xuc va hanh di su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky ((nang xa) OR (lang van)) hoi. hieu va cam xuc va hanh di su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (te sach)) ky ((nang xa) or (lang van)) hoi. hieu va cam xuc va hanh di su triet".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (te sach)) ky ((nang xa) or (lang van)) hoi. hieu va cam xuc va hanh di su triet*.