Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
van hanh » van thanh, ban hanh, van anh
chau tre » chay tren, chau tho, cho tre
nang xa » nang x, lang xa, mang xa
sach ty » sach y, sach thu, xach tay
sach tu » sach thu, cach tu, sach uu
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, xuc ban
nang ma » tang ma, sang ma, nang cao
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach ty) OR (sach tu)) ((nang xa) or (nang ma)) hoi. hieu ve cam xuc van hanh lai chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ty) OR (sach tu)) ((nang xa) OR (nang ma)) hoi. hieu ve cam xuc van hanh lai chau tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach ty) OR (sach tu)) ((nang xa) or (nang ma)) hoi. hieu ve cam xuc van hanh lai chau tre".
• Adding a wildcard symbol may retrieve word variants: thu ((sach ty) OR (sach tu)) ((nang xa) or (nang ma)) hoi. hieu ve cam xuc van hanh lai chau tre*.