Perhaps you should try some spelling variations:
chu bang » thu bang, chu quang, chu trang
lang voi » lanh voi, khang voi, lang cuoi
te sach » toc sach
va lang » va nang, hoa lang
ve daut » ve dat
so viet » hoc viet
ve dau » va dau, ve du, ke dau
ma hoi » mai hoi, xa hoi, ma hoa
xuc va » duc va, tuc va, luc va
voi so » noi so, voi ho, hoi so
chuc » thuc, chua, phuc

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 ((chu bang) OR (chuc nang)) ma hoi. hieu ((ve dau) or (ve daut)) xuc va lang voi so viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((chu bang) OR (chuc nang)) ma hoi. hieu ((ve dau) OR (ve daut)) xuc va lang voi so viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((chu bang) OR (chuc nang)) ma hoi. hieu ((ve dau) or (ve daut)) xuc va lang voi so viet".
• Adding a wildcard symbol may retrieve word variants: te sach ((chu bang) OR (chuc nang)) ma hoi. hieu ((ve dau) or (ve daut)) xuc va lang voi so viet*.