Perhaps you should try some spelling variations:
hang thai » hoang thai, hang tai, hang hai
thai cua » than cua, tai cuc, tri cua
te sach » toc sach
va cham » va chat, va tham
ky dang » ky nang, ky danh
va hang » van hang, va nang, va lang
sach ky » sac ky, sach y, sach ty
va cam » va cac, va cao, va cai
ha hoi » hoa hoi, ha noi, va hoi
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: te sach ky dang ((ha hoi) or (xa hoi)). lieu ((va cam) OR (va cham)) hoc va hang thai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky dang ((ha hoi) OR (xa hoi)). lieu ((va cam) OR (va cham)) hoc va hang thai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky dang ((ha hoi) or (xa hoi)). lieu ((va cam) OR (va cham)) hoc va hang thai cua te*".