Perhaps you should try some spelling variations:
khong thong » thong thong, khong trong, thong thuong
hien hanh » dieu hanh
anh quang » anh xquang, anh quan, nhanh quang
cua khong » hua khong, cua phuong, cua thuong
thong dan » thong van, tuong dan, thong den
anh dang » anh dong, anh dung, anh bang
dan toan » van toan, dan than, manh toan
toan ban » van ban

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 - ((anh dang) or (anh quang)) cua khong thong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - ((anh dang) OR (anh quang)) cua khong thong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - ((anh dang) or (anh quang)) cua khong thong dan toan ban*.