Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
van cham » van chat, van tham, va cham
cham duc » pham duc, cham soc, pham duy
sang tao » hang tai
hieu van » hieu va, thien van, lieu va
ca chua » sua chua
van anh » van thanh, tuan anh, van minh
duc van » duc va, duc tan, duc manh
tu sach » thu sach, su sach, te sach
ky sang » ky nang, ky dang, ky tang
ca cua » co cua

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 (thuat sach)) ky sang tao boi. hieu van cham duc van anh ((ca chua) OR (ca cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thuat sach)) ky sang tao boi. hieu van cham duc van anh ((ca chua) OR (ca cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (thuat sach)) ky sang tao boi. hieu van cham duc van anh ((ca chua) OR (ca cua)) tre*".