Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
trinh quan » tinh quang, trinh luat, trinh han
hanh dung » thanh dung, anh dung, hanh dong
anh nang » ganh nang, anh bang, anh dang
cua dung » cua dang, cua dong, qua dung
quan ban » quang ban, qua ban, quan van

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 tinh - ((hanh dung) or (anh nang)) ((cua dung) or (cua cong)) cong trinh quan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu tinh - ((hanh dung) OR (anh nang)) ((cua dung) OR (cua cong)) cong trinh quan ban.
• Adding a wildcard symbol may retrieve word variants: toc thieu tinh - ((hanh dung) or (anh nang)) ((cua dung) or (cua cong)) cong trinh quan ban*.