Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
luu truc » luu tru, cau truc, cuu thuc
te sach » toc sach
ky lang » ky dang, ky tang, tay lang
hieu va » lieu va, hieu qua
va cham » va chat, va tham
xac va » tac va, ac va, bac va
vi luu » vi lua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ky lang) OR (ky nang)) xa hoi. hieu va cham ((xac va) or (duc va)) thanh vi luu truc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky lang) OR (ky nang)) xa hoi. hieu va cham ((xac va) OR (duc va)) thanh vi luu truc*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky lang) OR (ky nang)) xa hoi. hieu va cham ((xac va) or (duc va)) thanh vi luu truc*".