Perhaps you should try some spelling variations:
ban hanh » ban hang
te sach » toc sach
hanh di » hanh vi, hanh de, hang di
xuc ban » duc ban, cuc ban, quoc ban
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
cua tuc » cua duc, cua tu, cua thuoc
sang ma » tang ma, sang tao, sang tai
nang ma » tang ma, nang cao
sach v » sach va, sach y, sach 2
ve cac » va cac, vien cac
di cua » dai cua, doi cua, de 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 v ((((nang ma) OR (mang may))) or (sang ma)) hoi. hieu ve cac xuc ban hanh di cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v ((((nang ma) OR (mang may))) OR (sang ma)) hoi. hieu ve cac xuc ban hanh di cua tuc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v ((((nang ma) OR (mang may))) or (sang ma)) hoi. hieu ve cac xuc ban hanh di cua tuc".
• Adding a wildcard symbol may retrieve word variants: te sach v ((((nang ma) OR (mang may))) or (sang ma)) hoi. hieu ve cac xuc ban hanh di cua tuc*.