Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hien hanh » dieu hanh
thanh son » thanh san, thanh cong, thanh toan
cong vang » cong lang, cong quang, cong ngang
vang phan » van phan, nang phan, quang phan
va thong » va thuong, va phuong, he thong
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien hanh - ((thanh son) or (tinh toan)) va thong cong vang phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - ((thanh son) OR (tinh toan)) va thong cong vang phan lap.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - ((thanh son) or (tinh toan)) va thong cong vang phan lap*.