Perhaps you should try some spelling variations:
nang cho » nang chon, ngang cho, nang cao
hieu van » hieu va, thien van, lieu va
vung van » vung ven, phung van, duong van
dung van » duong van, dung va, dang van
te sach » toc sach
cho hoc » co hoc, khoa hoc
van cac » van hac, van cau, van bac
vung va » dung va, luong va, duong va
cua cay » cua cac
y nang » ky nang, ly nang, v nang
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 y nang cho hoc. hieu van cac ((((vung van) OR (dung van))) or (vung va)) hanh vi cua cay~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang cho hoc. hieu van cac ((((vung van) OR (dung van))) OR (vung va)) hanh vi cua cay*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang cho hoc. hieu van cac ((((vung van) OR (dung van))) or (vung va)) hanh vi cua cay*".