Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu, hoc hien
cua thong » cua thuong, cua tong, suat thong
cua khong » hua khong, cua phuong, cua thuong
phan cau » phan dau, phan cac, phan tu
phan lap » phan dau

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 manh - hanh tranh ((cua thong) OR (cua khong)) huong dan ((phan cau) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - hanh tranh ((cua thong) OR (cua khong)) huong dan ((phan cau) OR (phan lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu manh - hanh tranh ((cua thong) OR (cua khong)) huong dan ((phan cau) or (phan lap))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - hanh tranh ((cua thong) OR (cua khong)) huong dan ((phan cau) or (phan lap))*.