Perhaps you should try some spelling variations:
thuong thang » truong thanh, hung thang, thuong han
cong thuong » hang thuong
thieu tinh » trieu tinh, chieu tinh, thien tinh
phan vanh » phan anh, phan banh, phan thanh
trung ca » trung cap, truong ca, trung cua
phan van » pham van, thanh van, luan van
ca cong » cua cong, cac cong, cao cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu tinh - sinh trung ca cong thuong thang ((phan van) or (phan vanh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu tinh - sinh trung ca cong thuong thang ((phan van) OR (phan vanh)).
• Adding a wildcard symbol may retrieve word variants: toc thieu tinh - sinh trung ca cong thuong thang ((phan van) or (phan vanh))*.