Perhaps you should try some spelling variations:
ngang cho » nang cho, ngang tho, sang cho
viet cua » viec cua, viet ca, viet qua
sang tao » hang tai
te sach » toc sach
hieu va » lieu va, hieu qua
van anh » van thanh, tuan anh, van minh
vuc van » duc van, luc van, thuc van
cac vuc » cac nuoc, cac vung, cac cuoc
hieu ve » hieu van
sach ty » sach y, sach tu, sach thu
cua cay » cua cac

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 ty ((sang tao) or (ngang cho)) hoc. ((hieu ve) OR (hieu va)) cac vuc van anh viet cua cay~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty ((sang tao) OR (ngang cho)) hoc. ((hieu ve) OR (hieu va)) cac vuc van anh viet cua cay*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty ((sang tao) or (ngang cho)) hoc. ((hieu ve) OR (hieu va)) cac vuc van anh viet cua cay*".