Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van ban
nang cau » nang cao, hang cau, nang dau
cac xuc » cam xuc, cac nuoc, chat xuc
van anh » van thanh, tuan anh, van minh
luu tre » luu tru, cuu tre, luy tre
sach ky » sac ky, sach ty, sach kem
hieu ve » hieu va, hieu van
vi luu » vi lua
ve cac » va cac, vien cac

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 y)) nang cau hoi. hieu ve cac xuc ((van hanh) OR (van anh)) vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sach y)) nang cau hoi. hieu ve cac xuc ((van hanh) OR (van anh)) vi luu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ky) or (sach y)) nang cau hoi. hieu ve cac xuc ((van hanh) OR (van anh)) vi luu tre*".