Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
nang tao » nang cao, sang tao, nang tai
dua tren » dung tren
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
va chat » van chat, va phat, cao chat
sach ky » sac ky, sach y, sach ty
va cham » va tham
tao hoi » tao khoi, tao boi, tay hoi
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 ky nang tao hoi. hieu ((va cham) OR (va chat)) luc va thanh lap ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang tao hoi. hieu ((va cham) OR (va chat)) luc va thanh lap ((dua tren) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang tao hoi. hieu ((va cham) OR (va chat)) luc va thanh lap ((dua tren) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang tao hoi. hieu ((va cham) OR (va chat)) luc va thanh lap ((dua tren) or (cua te))*.