Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
hien cac » thien cac, vien cac, hieu cac
thu sach » tu sach, thuat sach, thuoc sach
te sach » toc sach
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
sang ma » tang ma, nang ma, sang tao
cac luc » cau luc, coc luc, cac nuoc
vi cua » vai cua, di cua
luc va » duc va, tuc va, loc va
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: ((te sach) or (thu sach)) ky ((nang xa) or (sang ma)) hoi. hieu hien cac luc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu sach)) ky ((nang xa) OR (sang ma)) hoi. hieu hien cac luc va hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu sach)) ky ((nang xa) or (sang ma)) hoi. hieu hien cac luc va hanh vi cua te*.