Perhaps you should try some spelling variations:
nham nang » cam nang, kha nang, nhan dang
ban thanh » ban hanh, ban hang
duc ban » duc tan, duc van, dua ban
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
ve cua » de cua, te cua, ve cum
le cua » ly cua
ve cam » ve cham, ve cac, va cam

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: vu bach ((nham nang) or (phap nang)) mai hoi. hieu ve cam duc ban thanh ((ve cua) or (le cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bach ((nham nang) OR (phap nang)) mai hoi. hieu ve cam duc ban thanh ((ve cua) OR (le cua)) tre.
• Adding a wildcard symbol may retrieve word variants: vu bach ((nham nang) or (phap nang)) mai hoi. hieu ve cam duc ban thanh ((ve cua) or (le cua)) tre*.