Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban thanh » ban hanh, ban hang
va thanh » gia thanh, va tinh, le thanh
cham luc » cham soc, nhan luc, cham cuu
cua tre » cua te, cuu tre, dua tren
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang

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 ty nang xa hoi. hieu ve cham luc ((va thanh) OR (ban thanh)) vai ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. hieu ve cham luc ((va thanh) OR (ban thanh)) vai ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang xa hoi. hieu ve cham luc ((va thanh) OR (ban thanh)) vai ((cua tre) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. hieu ve cham luc ((va thanh) OR (ban thanh)) vai ((cua tre) or (cua triet))*.