Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
vu sach » vu bach, su sach, vu khach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va
dao xuc » dao duc, dao tuc, dao xu
van tri » van tai, van thi, van toi
xuc va » duc va, tuc va, luc 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: ((tu sach) or (vu sach)) ky lang xa hoi. ((hieu va) or (hieu qua)) dao xuc va van tri cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (vu sach)) ky lang xa hoi. ((hieu va) OR (hieu qua)) dao xuc va van tri cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (vu sach)) ky lang xa hoi. ((hieu va) or (hieu qua)) dao xuc va van tri cua te*.