Perhaps you should try some spelling variations:
ban hanh » ban hang
pham cuc » pham chuc, pham duc, pham cua
ve pham » vi pham, v pham, ve phan
vai cua » hai cua, lai cua, bai cua
cuc ban » cua ban, cac ban, cuu ban
hieu ve » hieu va, hieu van
dang ha » dong ha, dung ha, lang ha
sach ty » sach tu, sach thu, xach tay
ha hoi » hoa hoi, ha noi, xa hoi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach y) or (sach ty)) dang ha hoi. hieu ve pham cuc ban hanh ((vai cua) OR (dai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach y) OR (sach ty)) dang ha hoi. hieu ve pham cuc ban hanh ((vai cua) OR (dai cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach y) or (sach ty)) dang ha hoi. hieu ve pham cuc ban hanh ((vai cua) OR (dai cua)) tre*".