Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
manh hai » lanh hai, minh hai, thanh hai
van manh » van minh, van anh, van hanh
cam vuc » cam xuc
cua tre » cua te, cuu tre, dua tren
vuc van » duc van, luc van, thuc van
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
hieu ve » hieu van
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh

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 ky dang xa hoi. ((hieu ve) or (hieu va)) cam vuc van manh hai ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky dang xa hoi. ((hieu ve) OR (hieu va)) cam vuc van manh hai ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky dang xa hoi. ((hieu ve) or (hieu va)) cam vuc van manh hai ((cua tre) or (cua triet))*.