Perhaps you should try some spelling variations:
tinh bai » tinh bac, tinh hai, hinh bai
cham luc » cham soc, nhan luc, cham cuu
tu sach » thu sach, su sach, tu cach
cua tre » cuu tre, cua triet, dua tren
va tinh » may tinh
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
te sach » toc sach
ma hoi » mai hoi, xa hoi, ma hoa
luc va » duc va, tuc va, loc va
cua te » cua tu

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) or (te sach)) ky nang ma hoi. hieu ve cham luc va tinh bai ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang ma hoi. hieu ve cham luc va tinh bai ((cua tre) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) ky nang ma hoi. hieu ve cham luc va tinh bai ((cua tre) OR (cua te))*".