Perhaps you should try some spelling variations:
ban hang » ngan hang
va thanh » gia thanh, ban thanh, va tinh
nang dau » hang dau, xang dau, nang du
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach kem
dau hoi » cau hoi, dai hoi, dan hoi
sach ty » sach y, sach tu, sach thu
luu tre » luu tru, cuu tre, luy tre
ve cac » va cac, vien cac
vi luu » vi lua

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 ky) OR (sach ty)) nang dau hoi. hieu ve cac xuc ((va thanh) or (ban hang)) vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sach ty)) nang dau hoi. hieu ve cac xuc ((va thanh) OR (ban hang)) vi luu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ky) OR (sach ty)) nang dau hoi. hieu ve cac xuc ((va thanh) or (ban hang)) vi luu tre".
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) OR (sach ty)) nang dau hoi. hieu ve cac xuc ((va thanh) or (ban hang)) vi luu tre*.