Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh tay » thanh toan, thanh thuy, thanh san
thanh tai » thanh hai, thanh toan, doanh tai
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
cua tre » cua te, cuu tre, dua tren
vu sach » vu bach, su sach, vu khach
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa
y nang » ky nang, ly nang, v 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: vu sach y nang x hoi. hieu ve cam tuc va ((thanh tay) OR (thanh tai)) ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang x hoi. hieu ve cam tuc va ((thanh tay) OR (thanh tai)) ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach y nang x hoi. hieu ve cam tuc va ((thanh tay) OR (thanh tai)) ((cua tre) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: vu sach y nang x hoi. hieu ve cam tuc va ((thanh tay) OR (thanh tai)) ((cua tre) or (cua triet))*.