Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
thanh lap » thanh san, phan lap, thanh van
toc sach » doc sach, thuoc sach, nuoc sach
hoc sach » hoc sinh, hoc cac, hoc anh
sang tao » hang tai
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
tao hoi » tao khoi, tao boi, tay hoi
ky sang » ky nang, ky dang, ky tang
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: ((toc sach) or (hoc sach)) ky sang tao hoi. hieu ve pham duc va ((thanh lap) OR (thanh hai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (hoc sach)) ky sang tao hoi. hieu ve pham duc va ((thanh lap) OR (thanh hai)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) or (hoc sach)) ky sang tao hoi. hieu ve pham duc va ((thanh lap) OR (thanh hai)) cua te".
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (hoc sach)) ky sang tao hoi. hieu ve pham duc va ((thanh lap) OR (thanh hai)) cua te*.