Perhaps you should try some spelling variations:
tru ngang » tru nang, tu ngan, thu ngan
ngang cho » nang cho, ngang tho, sang cho
sach tru » sach truc, sach thu, sach tu
hieu van » hieu va, thien van, hieu ve
van hanh » van thanh, ban hanh, van ban
te sach » toc sach
cho hoc » co hoc, khoa hoc
cac xuc » cam xuc, cac nuoc, chat xuc
van anh » van thanh, tuan anh, van minh
vai cua » dai cua, hai cua, lai cua
cua cau » cua cac, cua chu, cua cay

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 tru ngang cho hoc. ((hieu van) OR (lieu va)) cac xuc ((van hanh) or (van anh)) vai cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tru ngang cho hoc. ((hieu van) OR (lieu va)) cac xuc ((van hanh) OR (van anh)) vai cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tru ngang cho hoc. ((hieu van) OR (lieu va)) cac xuc ((van hanh) or (van anh)) vai cua cau*".