Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc chieu » hoc thieu, ho chieu, hoc dieu
tranh cua » doanh cua, manh cua
cua nhung » va nhung
chong van » thong van, phong van, chong va
hong van » hoang van, thong van, phong van
tan cao » toan cao, tao cao, tay cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (hoc hien)) sang - hanh tranh cua nhung ((chong van) OR (hong van)) tan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc hien)) sang - hanh tranh cua nhung ((chong van) OR (hong van)) tan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) or (hoc hien)) sang - hanh tranh cua nhung ((chong van) OR (hong van)) tan cao".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc hien)) sang - hanh tranh cua nhung ((chong van) OR (hong van)) tan cao*.