Perhaps you should try some spelling variations:
hoc thien » hoc hien, hoc thieu, hoc tien
hoc thiet » hoc thieu, hoc thuyet, hoc hien
chua xang » chua nang, chu bang, chua dong
cong ban » cong bang, cong san, cong tan
ban phan » ban phap, van phan, ban than
phan cau » phan dau, phan cac, phan tu
chuc » thuc, chu, phuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thien) or (hoc thiet)) anh - canh tranh ((chua xang) or (chuc nang)) cong ban phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thien) OR (hoc thiet)) anh - canh tranh ((chua xang) OR (chuc nang)) cong ban phan cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc thien) or (hoc thiet)) anh - canh tranh ((chua xang) or (chuc nang)) cong ban phan cau*.