Perhaps you should try some spelling variations:
cac treo » cac tro, cau treo, cac trieu
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
ve cham » va cham, ve chat, vu cham
vai cac » va cac, tai cac, voi cac
xuc van » duc van, luc van, vuc van
tu sach » thu sach, su sach, te sach
dai hoi » dai hoc, dai hai, dai moi
mai hoi » mai khoi, lai hoi, mai doi
y lang » o lang, _ lang, tay lang
ve cam » ve cac, va cam, ve cai

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 ((mai hoi) or (dai hoi)). hieu ((ve cam) or (ve cham)) xuc van hanh vai cac treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y lang ((mai hoi) OR (dai hoi)). hieu ((ve cam) OR (ve cham)) xuc van hanh vai cac treo.
• Adding a wildcard symbol may retrieve word variants: tu sach y lang ((mai hoi) or (dai hoi)). hieu ((ve cam) or (ve cham)) xuc van hanh vai cac treo*.