Perhaps you should try some spelling variations:
thanh tung » thanh cong
kieu tinh » lieu tinh, trieu tinh, diep tinh
hoa nhung » hoc nhung, hon nhung, va nhung
ha nhung » hay nhung, pha nhung, va nhung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cao » toan ban, toan tap
ha tinh » va tinh, may tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((kieu tinh) or (ha tinh)) - thanh tung ((ha nhung) or (hoa nhung)) cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((kieu tinh) OR (ha tinh)) - thanh tung ((ha nhung) OR (hoa nhung)) cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((kieu tinh) or (ha tinh)) - thanh tung ((ha nhung) or (hoa nhung)) cong tac toan cao*.