Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
bac tuc » bac tu, bach tuoc, bac thua
thai xu » thai cua
y nang » ky nang, ly nang, v nang
va bac » van bac, va cac, va bai
tuc va » thuc va, truc va, tuc xa
va dau » va dao

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 nang xa hoi. hieu va bac tuc va dau ((thai xu) or (tai cuc)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. hieu va bac tuc va dau ((thai xu) OR (tai cuc)) tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu va bac tuc va dau ((thai xu) or (tai cuc)) tre*.