Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
cua triet » cua viet, su triet, va triet
tu sach » thu sach, su sach, te sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
nang xa » nang x, lang xa, nang ma
hieu va » hieu qua
lap cua » lai cua, tap cua, lam cua
xuc va » duc va, luc va, xac va
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 ly nang xa hoi. ((lieu va) or (hieu va)) cac ((xuc va) OR (tuc va)) thanh lap cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ly nang xa hoi. ((lieu va) OR (hieu va)) cac ((xuc va) OR (tuc va)) thanh lap cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ly nang xa hoi. ((lieu va) or (hieu va)) cac ((xuc va) OR (tuc va)) thanh lap cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ly nang xa hoi. ((lieu va) or (hieu va)) cac ((xuc va) OR (tuc va)) thanh lap cua triet*.