Perhaps you should try some spelling variations:
phuong thuc » thuong thuc
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
hanh trong » hanh trang, anh trong, hinh trong
trong qua » trong quan, thong qua, trong nha
qua thong » qua trong, quang thong, suat thong
cong lang » cong vang, cong luong, cong quang
cong van » cong vang, cong san, song van

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - hanh trong qua thong ((cong van) or (cong lang)) phuong thuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh trong qua thong ((cong van) OR (cong lang)) phuong thuc.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh trong qua thong ((cong van) or (cong lang)) phuong thuc*.