Perhaps you should try some spelling variations:
thieu nang » thien nang, thieu khang, thieu quang
toc sach » hoc sach, doc sach, thuoc sach
hanh hoi » hanh thoi, hanh noi, hanh hoa
hoi cua » hoi chuc
hieu va » lieu va, hieu qua
va cham » va chat, va tham
nang xa » nang x, lang xa, nang ma
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc va
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) OR (toc sach)) thieu nang xa hoi. hieu va cham ((xuc va) or (luc va)) hanh hoi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) thieu nang xa hoi. hieu va cham ((xuc va) OR (luc va)) hanh hoi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) thieu nang xa hoi. hieu va cham ((xuc va) or (luc va)) hanh hoi cua te".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) thieu nang xa hoi. hieu va cham ((xuc va) or (luc va)) hanh hoi cua te*.