Perhaps you should try some spelling variations:
ban hanh » ban hang
van hanh » van thanh, van anh, van ban
sach ty » sach y, sach tu, sach thu
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach kem
cam duc » cam xuc, cao duc, pham duc
di cua » dai cua, doi cua, de cua
ve cam » ve cham, ve cac, va cam
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach ky) OR (sach ty)) nang xa hoi. hieu ve cam duc ((van hanh) OR (ban hanh)) di cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach ky) OR (sach ty)) nang xa hoi. hieu ve cam duc ((van hanh) or (ban hanh)) di cua te~".
• Adding a wildcard symbol may retrieve word variants: toc ((sach ky) OR (sach ty)) nang xa hoi. hieu ve cam duc ((van hanh) or (ban hanh)) di cua te*.