Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
lieu tinh » trieu tinh, diep tinh, bien tinh
trinh cua » tinh cua, trinh luat, trinh quan
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
dan toan » van toan, dan than, manh toan
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 trinh cua ((((hang cong) or (dang cong))) or (thong cong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - hanh trinh cua ((((hang cong) OR (dang cong))) OR (thong cong)) dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - hanh trinh cua ((((hang cong) or (dang cong))) or (thong cong)) dan toan cao*.