Perhaps you should try some spelling variations:
chat thuong » chan thuong, chap thuong, chat huong
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
thong van » trong van, thong quan, truong van
hoc dieu » hoc thieu, hoc hien
thong va » thong cua, truong va, thong qua
toan tai » toan tap, doanh tai, toan cao
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 dieu hanh - hanh tinh chat thuong ((thong van) or (thong va)) ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dieu hanh - hanh tinh chat thuong ((thong van) OR (thong va)) ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc dieu hanh - hanh tinh chat thuong ((thong van) or (thong va)) ((toan tai) or (toan ban))*.