Perhaps you should try some spelling variations:
chong phap » phuong phap
phap thanh » pham thanh, phan thanh, phat thanh
thanh phan » thanh pho, thanh san, thanh toan
hoc thieu » toc thieu, hoc hien
hanh dang » hanh dong, hanh dung, hanh mang
cua chong » cua cong, cua chung, cua khong
ho chieu » theo chieu, doi chieu, mot chieu
anh dang » anh dong, anh dung, anh bang
phan ban » phan banh, phan van, phan ba

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (hoc thieu)) xanh - ((hanh dang) or (anh dang)) cua chong phap thanh phan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - ((hanh dang) OR (anh dang)) cua chong phap thanh phan ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - ((hanh dang) or (anh dang)) cua chong phap thanh phan ban*.