Perhaps you should try some spelling variations:
hanh trinh » canh tranh
thiet hung » thuyet hung, viet hung, hiep hung
hoc thieu » toc thieu
hung cong » nhung cong, hung cuong, phung cong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) OR (hoc hien)) khang - ((hanh trinh) or (hanh chinh)) thiet hung cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) khang - ((hanh trinh) OR (hanh chinh)) thiet hung cong dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (hoc hien)) khang - ((hanh trinh) or (hanh chinh)) thiet hung cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (hoc hien)) khang - ((hanh trinh) or (hanh chinh)) thiet hung cong dan toan cao*.