Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
hanh trang » thanh trung, canh tranh, hanh trinh
trang cua » tranh cua, tang cua, trung cua
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
toan tai » toan tap, doanh tai, toan cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu manh - hanh trang cua dung cong san ((toan tai) or (((toan ban) OR (van ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu manh - hanh trang cua dung cong san ((toan tai) OR (((toan ban) OR (van ban)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu manh - hanh trang cua dung cong san ((toan tai) or (((toan ban) OR (van ban))))".
• Adding a wildcard symbol may retrieve word variants: toc thieu manh - hanh trang cua dung cong san ((toan tai) or (((toan ban) OR (van ban))))*.