Perhaps you should try some spelling variations:
hinh thai » sinh thai, tinh thai, dinh thi
thu sach » thuat sach, thuoc sach, thu hoach
van hinh » van chinh, van thinh, van minh
tu sach » su sach, te sach, tu cach
cua tre » cuu tre, cua triet, dua tren
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac tuc » cac toc, cac tu, cac tac
tuc van » thuc van, truc van, tuc va
ve cac » va cac, vien cac
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 (thu sach)) ky nang xa hoi. hieu ve cac tuc van hinh thai ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky nang xa hoi. hieu ve cac tuc van hinh thai ((cua tre) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (thu sach)) ky nang xa hoi. hieu ve cac tuc van hinh thai ((cua tre) OR (cua te))*".