Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
cay phoi » cap phoi, tay hoi, cay cho
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
te sach » toc sach
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
cam cuc » cham cuu, pham cuc
y dang » ky dang, 2 dang, _ dang
_ danh » _ doanh, _ dan, 1 danh

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 dang) or (_ danh)) cay phoi. hieu van ((cam cuc) OR (cam xuc)) ban hanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y dang) OR (_ danh)) cay phoi. hieu van ((cam cuc) OR (cam xuc)) ban hanh lai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y dang) or (_ danh)) cay phoi. hieu van ((cam cuc) OR (cam xuc)) ban hanh lai cua tre*".