Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
tay dang » tay dung, tay lang, tay tang
manh hoi » manh hai, manh ho, manh hon
tay dong » tac dong, day dong, tai dong
hoi cua » hoi chuc
va manh » van manh, va danh, va hanh
xay hoi » xa hoi, tay hoi, cay phoi
va cam » va cham, va cac, va cao
ve tai » te tai, de tai, le tai
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: thu sach ((tay dang) or (tay dong)) xay hoi. hieu ((ve tai) or (va cam)) duc va manh hoi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((tay dang) OR (tay dong)) xay hoi. hieu ((ve tai) OR (va cam)) duc va manh hoi cua te.
• Adding a wildcard symbol may retrieve word variants: thu sach ((tay dang) or (tay dong)) xay hoi. hieu ((ve tai) or (va cam)) duc va manh hoi cua te*.