Perhaps you should try some spelling variations:
thieu nang » thien nang, thieu khang, thieu quang
cac thuc » cach thuc, cac thu, can thuc
thuc day » thuc dan, thuc vat
day hanh » day nhanh, day thanh, dao hanh
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cua tuc » cua duc, cua thuoc, luat tuc
cua tu » cua su, cua cu, cua te

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