Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh hinh » hanh chinh, hanh tinh, hanh dinh
chua xang » chua nang, chuc nang, chu bang
cua bang » chua bang, cua ban, cua dang
song tac » cong tac, sang tac, dong tac
sang tai » hang tai, sang tao, tang tai
toan cao » toan ban, toan tap
ho lieu » so lieu, co lieu, ho kieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu tinh - hanh hinh ((cua bang) or (chua xang)) ((song tac) or (sang tai)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - hanh hinh ((cua bang) OR (chua xang)) ((song tac) OR (sang tai)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - hanh hinh ((cua bang) or (chua xang)) ((song tac) or (sang tai)) toan cao*.