Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
chua tre » chua tri, cua tre, chua trieu
cham xuc » cam xuc, chat xuc, cham soc
thu sach » thuat sach, thuoc sach, thu hoach
van hanh » ban hanh, van anh, van ban
va chua » vua chua, ca chua, va chu
tu sach » su sach, te sach, tu cach
ve cham » va cham, ve chat, vu cham
sang ma » tang ma, nang ma, sang tao
ky sang » ky nang, ky dang, ky tang
hieu ve » hieu va, hieu van
ma hoi » mai hoi, xa hoi, ma hoa

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 sang ma hoi. hieu ve cham xuc ((van hanh) OR (van thanh)) va chua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky sang ma hoi. hieu ve cham xuc ((van hanh) OR (van thanh)) va chua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (thu sach)) ky sang ma hoi. hieu ve cham xuc ((van hanh) OR (van thanh)) va chua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky sang ma hoi. hieu ve cham xuc ((van hanh) OR (van thanh)) va chua tre*.