Perhaps you should try some spelling variations:
hang tai » hang va, dung tai
cuc tieu » muc tieu, cac tieu, cach tieu
tu sach » thu sach, su sach, te sach
qua cam » qua cham, qua cac, qua ca
y lang » o lang, tay lang, yen lang
_ lang » o lang, _ land
luc va » duc va, tuc va
loc va » hoc 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 ((y lang) OR (_ lang)) xa hoi. hieu qua cam ((luc va) or (loc va)) hang tai cuc tieu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y lang) OR (_ lang)) xa hoi. hieu qua cam ((luc va) OR (loc va)) hang tai cuc tieu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y lang) OR (_ lang)) xa hoi. hieu qua cam ((luc va) or (loc va)) hang tai cuc tieu".
• Adding a wildcard symbol may retrieve word variants: tu sach ((y lang) OR (_ lang)) xa hoi. hieu qua cam ((luc va) or (loc va)) hang tai cuc tieu*.