Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh nhan » thanh nhan, danh nhan, anh nhan
dang cong » dung cong
nhan cua » nhat cua, nhan luc, nhan su
toan tai » toan tap, doanh tai, toan ban
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 nhan cua ((dang cong) or (dung trong)) dan ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - hanh nhan cua ((dang cong) OR (dung trong)) dan ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - hanh nhan cua ((dang cong) or (dung trong)) dan ((toan tai) or (toan cao))*.