Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh hang » thanh hang, hanh han, hanh mang
hang hang » cang thang, hung thang, lang thang
nang hang » nang sang, cang thang, lang thang
dung cong » dung trong
cong tinh » cong trinh, cong vinh, long tinh
cua dung » cua dang, cua dong, qua dung
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 hang) or (((hang hang) or (nang hang)))) cua dung cong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - ((hanh hang) OR (((hang hang) OR (nang hang)))) cua dung cong tinh toan cao.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - ((hanh hang) or (((hang hang) or (nang hang)))) cua dung cong tinh toan cao*.