Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
ban thanh » ban hanh, ban hang
cach thoi » cac thoi, cach thuc, cach noi
hieu van » hieu va, thien van, lieu va
toan cua » than cua, tan cua, doanh cua
duc ban » duc tan, duc van, dua ban
cam duc » cam xuc, cao duc, pham duc
van cam » van nam, van lam, van cau
vu cach » va cach, ve cach, vu bach
hang ca » nang cao, hang tai, hang dau
hang xa » hoang xa, lang xa, hang ha
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: vu cach thoi ((((hang xa) or (hang ca))) or (hang va)) hoi. hieu van cam duc ban thanh toan cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu cach thoi ((((hang xa) OR (hang ca))) OR (hang va)) hoi. hieu van cam duc ban thanh toan cua te.
• Adding a wildcard symbol may retrieve word variants: vu cach thoi ((((hang xa) or (hang ca))) or (hang va)) hoi. hieu van cam duc ban thanh toan cua te*.