Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh lam » thanh lap, hanh kem, dinh lam
cam luc » cam xuc, cau luc
cua tre » cua te, cuu tre, dua tren
hanh va » hang va, hanh vi
te sach » toc sach
hieu va » lieu va, hieu qua
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach v nang x hoi. hieu va cam luc va ((hanh lam) OR (hanh va)) ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v nang x hoi. hieu va cam luc va ((hanh lam) OR (hanh va)) ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v nang x hoi. hieu va cam luc va ((hanh lam) OR (hanh va)) ((cua tre) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: te sach v nang x hoi. hieu va cam luc va ((hanh lam) OR (hanh va)) ((cua tre) or (cua triet))*.