Perhaps you should try some spelling variations:
gianh lai » gian lan
danh lai » danh sai, dinh lam, hanh lam
chau tre » chay tren, chau tho, cho tre
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, mang may
cam tuc » cam xuc, cam tu, nam thuc
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa

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 ((nang ma) or (nang cao)) hoi. lieu va cam tuc va ((danh lai) OR (gianh lai)) chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((nang ma) OR (nang cao)) hoi. lieu va cam tuc va ((danh lai) OR (gianh lai)) chau tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky ((nang ma) or (nang cao)) hoi. lieu va cam tuc va ((danh lai) OR (gianh lai)) chau tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((nang ma) or (nang cao)) hoi. lieu va cam tuc va ((danh lai) OR (gianh lai)) chau tre*.