Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
van hanh » van thanh, ban hanh, van anh
su sach » so sach, vu sach
cua tre » cua te, cua triet, dua tren
tuc van » thuc van, truc van, tuc va
cuu tre » cau tren, cau treo
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, dang xay, lang van
ty lang » tay lang, ty xang, ty hang
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty lang xa hoi. hieu ((ve cam) or (va cam)) tuc van hanh lai ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty lang xa hoi. hieu ((ve cam) OR (va cam)) tuc van hanh lai ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: su sach ty lang xa hoi. hieu ((ve cam) or (va cam)) tuc van hanh lai ((cua tre) or (cuu tre))*.