Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
han tai » hang tai, nhan tai, van tai
tai cua » thai cua, tai cuc, tri cua
huu va » cuu va, tuu va
va han » va phan, van han, va hanh
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 ky nang xa hoi. hieu ((van chat) OR (cao chat)) huu va han tai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. hieu ((van chat) OR (cao chat)) huu va han tai cua te".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ((van chat) OR (cao chat)) huu va han tai cua te*.