Perhaps you should try some spelling variations:
phung cong » nhung cong, phong cong, nhung chong
tieu hanh » dieu hanh, tiem hanh, tien hanh
hanh tang » hanh trang, anh tang, hanh mang
va phung » va phuong, van phung, va nhung
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
tang va » trang va, tang van, thang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu hanh - hanh tang va phung cong tan ((toan ban) or (((toan cao) OR (toan tap))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu hanh - hanh tang va phung cong tan ((toan ban) OR (((toan cao) OR (toan tap)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu hanh - hanh tang va phung cong tan ((toan ban) or (((toan cao) OR (toan tap))))".
• Adding a wildcard symbol may retrieve word variants: theo tieu hanh - hanh tang va phung cong tan ((toan ban) or (((toan cao) OR (toan tap))))*.