Perhaps you should try some spelling variations:
thanh ve » hanh ve, thanh va, thanh vien
van cham » van chat, van tham, van pham
cua viet » ca viet, hoa viet, cua vat
lang man » lang van, lang ban, lang mai
man hoi » man hoai, dan hoi, van hoi
sach ky » sach y, sach ty, sach kem
va cham » va chat, va tham
xuc gia » duc gia, luc gia, tuc gia
sac ky » cac ky, sai ky
ve cua » le cua, de cua, te cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((sach ky) OR (sac ky)) lang man hoi. hieu ((van cham) or (va cham)) xuc gia thanh ve cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((sach ky) OR (sac ky)) lang man hoi. hieu ((van cham) OR (va cham)) xuc gia thanh ve cua viet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((sach ky) OR (sac ky)) lang man hoi. hieu ((van cham) or (va cham)) xuc gia thanh ve cua viet*".