Perhaps you should try some spelling variations:
thieu nang » thien nang, thieu khang, thieu quang
doanh bat » danh bat, doanh tai, doanh va
hieu van » hieu va, thien van, lieu va
va doanh » van doanh, vay doanh, va danh
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va
bat cau » bat dau, dat cau, bat can
soc va » hoc va, loc va, doc va

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 thieu nang xa hoi. ((hieu ve) or (hieu van)) cham soc va doanh bat cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thieu nang xa hoi. ((hieu ve) OR (hieu van)) cham soc va doanh bat cau tren.
• Adding a wildcard symbol may retrieve word variants: tu sach thieu nang xa hoi. ((hieu ve) or (hieu van)) cham soc va doanh bat cau tren*.