Perhaps you should try some spelling variations:
phuong thao » phuong phap, phuong thuc
lang phuong » bang phuong, lan phuong, lang phong
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trinh » canh tranh
thao phan » than phan, thai phan, thanh phan
phan van » pham van, thanh van, luan van
va lang » va nang, hoa lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: mot chieu sang - ((hanh trinh) or (hanh chinh)) va lang phuong thao phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mot chieu sang - ((hanh trinh) OR (hanh chinh)) va lang phuong thao phan van.
• Adding a wildcard symbol may retrieve word variants: mot chieu sang - ((hanh trinh) or (hanh chinh)) va lang phuong thao phan van*.