Perhaps you should try some spelling variations:
hlang trong » hoang trong, khoang trong, hanh trong
theo chieu » theo tieu, ho chieu, theo chu
lang trong » dung trong, cong trong, dong trong
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
dap dung » ap dung, dan dung, dap ung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (theo chieu)) xanh - ((hlang trong) or (lang trong)) dap dung cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (theo chieu)) xanh - ((hlang trong) OR (lang trong)) dap dung cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (theo chieu)) xanh - ((hlang trong) or (lang trong)) dap dung cong tac toan cao*.