Perhaps you should try some spelling variations:
chau tre » chay tren, chau tho, cho tre
tai chau » lai chau, mai chau, hai chau
hanh tai » thanh tai, hang tai, han tai
hieu ve » hieu va, hieu van
tu sach » thu sach, su sach, te sach
ky dang » ky nang, ky danh
ky sang » ky nang, ky tang, duy sang
ma hoi » mai hoi, xa hoi, ma hoa
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
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: tu sach ((ky sang) OR (ky dang)) ma hoi. hieu ve cam ((xuc va) or (tuc va)) hanh tai chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky sang) OR (ky dang)) ma hoi. hieu ve cam ((xuc va) OR (tuc va)) hanh tai chau tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ky sang) OR (ky dang)) ma hoi. hieu ve cam ((xuc va) or (tuc va)) hanh tai chau tre*".