Perhaps you should try some spelling variations:
ngang cho » nang cho, ngang tho, sang cho
van hanh » van thanh, ban hanh, van anh
sach thu » sach thue, sach thieu, sach tham
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
cho hoc » co hoc, khoa hoc
sach tu » cach tu, sach uu, sach xu
sach ty » sach y, xach tay, sach hay
cua cay » cua cac
ve cac » va cac, vien cac
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 tu) OR (sach ty))) or (sach thu)) ngang cho hoc. hieu ve cac xuc van hanh vi cua cay~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((((sach tu) OR (sach ty))) OR (sach thu)) ngang cho hoc. hieu ve cac xuc van hanh vi cua cay*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((((sach tu) OR (sach ty))) or (sach thu)) ngang cho hoc. hieu ve cac xuc van hanh vi cua cay*".