Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
hanh trinh » canh tranh, hanh chinh
lieu tinh » trieu tinh, diep tinh, bien tinh
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
doi lieu » duoc lieu, doi chieu, du lieu
than tap » toan tap, han tap, than cap
phan tap » phan lap, han tap, pha tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi lieu tinh - hanh trinh cua ((nhung cong) or (dung cong)) san ((than tap) or (phan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi lieu tinh - hanh trinh cua ((nhung cong) OR (dung cong)) san ((than tap) OR (phan tap)).
• Adding a wildcard symbol may retrieve word variants: doi lieu tinh - hanh trinh cua ((nhung cong) or (dung cong)) san ((than tap) or (phan tap))*.