Perhaps you should try some spelling variations:
sach thue » sach thieu, sach tham, cach thuc
sach thu » sach thieu, sach tham, cach thuc
hanh le » thanh le, hanh ve, hanh de
truc va » thuc va, thuc vat, trung va
va tham » van tham, va cham, va thanh
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
xuc va » duc va, tuc va, luc va
le cua » ly cua
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: te ((sach thu) OR (sach thue)) nang xa hoi. hieu va tham ((xuc va) or (truc va)) hanh le cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach thu) OR (sach thue)) nang xa hoi. hieu va tham ((xuc va) OR (truc va)) hanh le cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach thu) OR (sach thue)) nang xa hoi. hieu va tham ((xuc va) or (truc va)) hanh le cua te".
• Adding a wildcard symbol may retrieve word variants: te ((sach thu) OR (sach thue)) nang xa hoi. hieu va tham ((xuc va) or (truc va)) hanh le cua te*.