Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
va lanh » va lang, va danh, va anh
va hanh » van hanh, va thanh, va danh
hai cua » thai cua, dai cua, hoi cua
va lam » van lam
va lap » va dap
cua su » qua su

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 ty nang xa hoi. lieu ((va lam) or (va lap)) xuc ((va lanh) OR (va hanh)) hai cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. lieu ((va lam) OR (va lap)) xuc ((va lanh) OR (va hanh)) hai cua su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang xa hoi. lieu ((va lam) or (va lap)) xuc ((va lanh) OR (va hanh)) hai cua su".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. lieu ((va lam) or (va lap)) xuc ((va lanh) OR (va hanh)) hai cua su*.