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