Perhaps you should try some spelling variations:
sach hoi » sach doi, cach thoi, hoach hoi
hanh doi » thanh doi, hanh noi, hang doi
sach moi » sach doi, bach mai, sach bai
cua tuc » cua duc, cua tu, cua thuoc
doi cua » dai cua, hoi cua
va hanh » van hanh, va thanh, va danh
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ve cua » le cua, de cua, te cua
tuc va » thuc va, truc va, tuc xa
cua te » cua tu

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 y) or (((sach hoi) or (sach moi)))) nang xa hoi. hieu ve cua tuc va hanh doi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach y) OR (((sach hoi) OR (sach moi)))) nang xa hoi. hieu ve cua tuc va hanh doi cua te.
• Adding a wildcard symbol may retrieve word variants: tu ((sach y) or (((sach hoi) or (sach moi)))) nang xa hoi. hieu ve cua tuc va hanh doi cua te*.