Perhaps you should try some spelling variations:
hang tai » hang va, dung tai
tu sach » thu sach, su sach, te sach
qua cau » quan cau, qua cac, qua ca
cau luc » cau truc, cau phuc
va hang » van hang, va nang, va lang
y lang » _ lang, tay lang, yen lang
o lang » hoa lang, hoi lang
luc va » duc va, tuc va, loc va
cuc te » cua te, cuc thue, cuc tieu

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 (o lang)) xa hoi. hieu qua cau luc va hang tai cuc te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y lang) OR (o lang)) xa hoi. hieu qua cau luc va hang tai cuc te.
• Adding a wildcard symbol may retrieve word variants: tu sach ((y lang) or (o lang)) xa hoi. hieu qua cau luc va hang tai cuc te*.