Perhaps you should try some spelling variations:
thanh thao » thanh thanh, thanh thang, thanh pho
cong luong » cong thuong, nang luong, cong dong
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
luong ban » luong van, luong bac, luong san
ban thanh » ban hanh, ban hang
doi chi » doi khi

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 (doi chi)) xanh - ((hanh tang) OR (hanh mang)) cua cong luong ban thanh thao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chi)) xanh - ((hanh tang) OR (hanh mang)) cua cong luong ban thanh thao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (doi chi)) xanh - ((hanh tang) OR (hanh mang)) cua cong luong ban thanh thao".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi chi)) xanh - ((hanh tang) OR (hanh mang)) cua cong luong ban thanh thao*.