Perhaps you should try some spelling variations:
nang cho » nang chon, ngang cho, nang cao
chuc van » chu van, chuc va, thuc van
te sach » toc sach
sach ky » sac ky, sach y, sach ty
cho hoc » co hoc, khoa hoc
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
vuc van » luc van, thuc van, khuc van
duc van » duc va, duc tan, duc manh
cua cau » cua cac, cua chu, cua cay
vi cua » vai cua, di cua

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 ky nang cho hoc. hieu va chat ((((vuc van) OR (chuc van))) or (duc van)) hanh vi cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang cho hoc. hieu va chat ((((vuc van) OR (chuc van))) OR (duc van)) hanh vi cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang cho hoc. hieu va chat ((((vuc van) OR (chuc van))) or (duc van)) hanh vi cua cau*".