Perhaps you should try some spelling variations:
trinh lap » trinh luat, trinh luan, trinh phap
toc sach » hoc sach, doc sach, thuoc sach
sang tao » hang tai
tao khoi » tao hoi, thao khoa, lao khoa
tinh lap » tinh lao, dinh lap, tich lap
ky sang » ky nang, ky dang, ky tang
ve pham » vi pham, ve phan, ve phat
sach ky » sac ky, sach y, sach ty
cua te » cua tu
v pham » vi pham, d pham

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 tao khoi. hieu ((ve pham) or (v pham)) duc va ((tinh lap) OR (trinh lap)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky sang tao khoi. hieu ((ve pham) OR (v pham)) duc va ((tinh lap) OR (trinh lap)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ky sang tao khoi. hieu ((ve pham) or (v pham)) duc va ((tinh lap) OR (trinh lap)) cua te".
• Adding a wildcard symbol may retrieve word variants: toc sach ky sang tao khoi. hieu ((ve pham) or (v pham)) duc va ((tinh lap) OR (trinh lap)) cua te*.