Perhaps you should try some spelling variations:
trinh phap » trinh phan, trinh han, trinh chat
toc sach » hoc sach, doc sach, thuoc sach
sang tao » hang tai
tinh lap » trinh lap, tinh lao, dinh lap
ve phan » va phan, ke phan, ve phat
sach ky » sac ky, sach y, sach ty
ve pham » vi pham, v pham, ve phat
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 ky sang tao boi. hieu ((ve pham) OR (ve phan)) duc va ((tinh lap) or (trinh phap)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky sang tao boi. hieu ((ve pham) OR (ve phan)) duc va ((tinh lap) OR (trinh phap)) cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ky sang tao boi. hieu ((ve pham) OR (ve phan)) duc va ((tinh lap) or (trinh phap)) cua te*".