Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
manh han » manh hai, manh hon, anh han
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cam suc » cam xuc, cao suc, cham soc
han tai » hang tai, nhan tai, van tai
cua tre » cua te, cuu tre, dua tren
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam

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 y nang xa hoi. hieu ve cam suc manh han tai ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. hieu ve cam suc manh han tai ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu ve cam suc manh han tai ((cua tre) or (cua triet))*.