Perhaps you should try some spelling variations:
chau tre » chay tren, chau tho, cho tre
danh lai » danh sai, gianh lai, dinh lam
sang mai » sang ma, sang tai, lang mai
va danh » va dinh, va dan, va hanh
cam duc » cao duc, pham duc, nam duoc
sach ky » sac ky, sach ty, sach kem
hieu va » lieu va, hieu qua
mai hoi » mai khoi, dai hoi, lai hoi

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 ky) or (sach y)) sang mai hoi. hieu va ((cam duc) OR (cam xuc)) va danh lai chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sach y)) sang mai hoi. hieu va ((cam duc) OR (cam xuc)) va danh lai chau tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ky) or (sach y)) sang mai hoi. hieu va ((cam duc) OR (cam xuc)) va danh lai chau tre".
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) or (sach y)) sang mai hoi. hieu va ((cam duc) OR (cam xuc)) va danh lai chau tre*.